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// StringUtils.cpp
// Implements the various string helper functions:
#include "Globals.h"
AString & AppendVPrintf(AString & str, const char *format, va_list args)
{
ASSERT(format != NULL);
char buffer[2048];
size_t len;
if ((len = _vsnprintf_s(buffer, ARRAYCOUNT(buffer), _TRUNCATE, format, args)) != -1)
{
str.append(buffer, len);
return str;
}
len = _vscprintf(format, args);
if (len == -1)
{
return str;
}
std::auto_ptr<char> tmp(new char[len + 1]);
ASSERT(tmp.get() != NULL); // Why not alloced? Is the length reasonable?
if (tmp.get() == NULL)
{
throw std::bad_alloc();
}
if ((len = vsprintf_s(tmp.get(), len + 1, format, args)) != -1)
{
str.append(tmp.get(), len);
}
ASSERT(len != -1);
return str;
}
AString & Printf(AString & str, const char *format, ...)
{
str.clear();
va_list args;
va_start(args, format);
std::string &retval = AppendVPrintf(str, format, args);
va_end(args);
return retval;
}
AString & AppendPrintf(AString &str, const char *format, ...)
{
va_list args;
va_start(args, format);
std::string &retval = AppendVPrintf(str, format, args);
va_end(args);
return retval;
}
AStringVector StringSplit(const AString & str, const AString & delim)
{
AStringVector results;
size_t cutAt = 0;
size_t Prev = 0;
while ((cutAt = str.find_first_of(delim, Prev)) != str.npos)
{
if (cutAt > 0)
{
results.push_back(str.substr(0, cutAt));
}
Prev = cutAt + delim.length();
}
if (Prev < str.length())
{
results.push_back(str.substr(Prev));
}
return results;
}
AString & StrToUpper(AString & s)
{
AString::iterator i = s.begin();
AString::iterator end = s.end();
while (i != end)
{
*i = (char)toupper(*i);
++i;
}
return s;
}
int NoCaseCompare(const AString & s1, const AString & s2)
{
#ifdef _MSC_VER
// MSVC has stricmp that compares case-insensitive:
return stricmp(s1.c_str(), s2.c_str());
#else
// Do it the hard way:
AString s1Copy(s1);
AString s2Copy(s2);
return StrToUpper(s1Copy).compare(StrToUpper(s2Copy));
#endif // else _MSC_VER
}
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